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Do I even need to watercool?

post #1 of 6
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So I recently bought a new PC (Digital Storm Assassin) and while I have built all my own PC's up until now, i have never built a water cooling system.

The Assassin has a NH-D14 on it and i am seeing temps lower than i see reported for some water cooling setups. It's housed in a FT02 case, with the big 180mm fans on low (about 80cfm). i am currently running an i5-2500K @ 4.5 Ghz @ 1.24v with idle about 28-30c and load about 48-55c. I live in FL (so it's damn hot) but the house ambient is set to 23c. The chip can do 5.0 Ghz stable on 1.37v @ about 75c max temp. Not what I'd consider a sustainable 24/7 clock/temp combo.

GPU is a EVGA GTX 570 superclock with stock cooling. It runs about 35-40c on idle (30% fan) and up to about 65 under gaming load with ab out 70%fan. I'd like to add a second 570 SC before the end of the year.

The case is not really suited for WC, so i am going with an external rad box (the DangerDen one) with a single 360 rad, single pump, res etc. I will move to 2x360 rads, 2 pumps when I add a second GPU).

So my question is, is it worth going WC, will I see significant drops in temp? My thoughts are that my GPU temps are higher than I'd like and that perhaps I just WC the GPU? I'd really hate to spend what will be over $500 on a WC setup that will actually raise my CPU temps. Though I am thinking perhaps it might make 5.0 Ghz a usable 24/7 clock if it can keep the temp down in the 50's.

This is my first post here, so if I'm doing something wrong, be gentle
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DSO Assassin
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post #2 of 6
water's better, especially for gpu's the extra card will raise the temp of the other one by alot and will raise your cpu temp due to more hot air in the case!
    
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post #3 of 6
If that 75 degrees is after a load of IBT passes then I'd say that temperature was ok for 24/7 tbh.

mine hit 75 in ibt but after 16 hours of folding it never gets past 60

edit: yes i have a terrible cooler
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space heater
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Intel 2500k 4.7GHz  Asus P8P67 Pro(B3) 2 x Club3D 280X 3GB 16GB g.skill 1600MHz C9 
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Samsung 840 Pro 256GB 4 x 2TB Barracudas in RAID10 2 x WD Blue 1TB RAID0 2 x 3TB Seagate Barracuda 
Hard DriveHard DriveOptical DriveCooling
8 x 146GB HP 10k SAS - various RAID levels RAID Controller LSI 9260-8i 512MB LiteOn IHAS124 Noctua NH-D15 
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8.1 Enterprise Acer GD245HQ (120hz) LG W2420P LG IPS231P 
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post #4 of 6
I think the gist of most replies here is going to be that air does "well enough", but if you want temps lower than air, you have to pay the premium for watercooling. I don't think you need it, looking at your rig.

EDIT: I feel unless you're really going for the cool factor of having WC, or unless your temps on air are definitely in the danger zone or you want to overclock like mad, it's not worth it.
Edited by Guruboy - 5/2/11 at 1:52pm
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post #5 of 6
Do you need it? No.

Is it cool? Oh yeah.
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post #6 of 6
Water cooling isn't needed...but it is fun as hell and in my opinion makes your rig look better. Just like some crazy people say overclocking isn't needed.

Your components will run cooler, but I think we have left the thermal limits on overclocking behind as far as CPUs go. I am sure my CPU would OC to 4GHz on air...it would probably just run at 90° at a full load when with water it runs at 60°. With the die shrinks we've had CPUs don't really run all that hot any more. Aside of the good old A64 opties...that really has never been the case before and water was needed to get the most MHz out of your OC.

GPUs on the other had run a lot hotter. Like for example I have one 5850 running at 975/1100 with a voltage boost that maxes out at about 45° on water. The other 5850 is a recent addition and I don't have it under water. It runs at 800/1100 on stock volts and maxes out at 93° with its stock air (though that is under stress test...hits about 78-80° in games) If I had it on water I could get more out of it and also remove a massive hunk of heat from my case thus allowing the rest of components to run cooler.

Needless to say...it will be underwater soon. Once you go wet you can't go back.
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